Nick's plan to let fate bring his wife to him must be altered because he must replace his father as Santa Claus on December 26. Ernst, the right-hand man to several generations of Santas, generates a list of potential mates. Nick dutifully sets off to meet them, but fate may have a candidate after all.

Life’s good for deliveryman Doug Heffernan, until his newly widowed father-in-law, Arthur, moves in with him and his wife Carrie. Doug is no longer the king of his domain, and instead of having a big screen television in his recently renovated basement, he now has a crazy old man.